/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8                               :vi │
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2021 Justine Alexandra Roberts Tunney                              │
│                                                                              │
│ Permission to use, copy, modify, and/or distribute this software for         │
│ any purpose with or without fee is hereby granted, provided that the         │
│ above copyright notice and this permission notice appear in all copies.      │
│                                                                              │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL                │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED                │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE             │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL         │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR        │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER               │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
│ PERFORMANCE OF THIS SOFTWARE.                                                │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/syscall-nt.internal.h"
#include "libc/calls/syscall_support-nt.internal.h"
#include "libc/nt/files.h"
#include "libc/str/str.h"
#include "libc/sysv/errfuns.h"
#include "libc/sysv/pib.h"

textwindows int sys_mkdirat_nt(int dirfd, const char *path, uint32_t mode) {

  mode &= ~__get_pib()->umask;
  if (mode & 07000)
    return eperm();

  char16_t path16[PATH_MAX];
  if (__mkntpathat(dirfd, path, path16) == -1)
    return -1;

  if (!CreateDirectory(path16, 0))
    return __fix_enotdir(__winerr(), path16);

  // just in case anyone wants to make a read-only directory
  if (~mode & 0200) {
    if (sys_fchmodat_nt(dirfd, path, mode, 0) == -1) {
      RemoveDirectory(path16);
      return -1;
    }
  }

  return 0;
}
